# include <stdio.h>
float Cel (int i)
{	
	return (5.0/9) * (i-32);
}

int main (void)
{
	int i = 20;
	int a = 1;
	printf("%i\t%.2f\n",a,Cel(a));	
	while ( i <= 300)
	{
		printf("%i\t%.2f\n",i,Cel(i));
		i = i + 20;
	}
		return 0;
}
		
		
